Henry de tamble



No. 6l0,60|. I Patented Sept. I3, i898. H. DE TAMBLE. FANNING DEVICE.

(Application filed Nov. 29, 1897. y

(No Model.)

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UNITED STATES. PATENT HENRY DE TAMBLE, OF AURORA, ILLINOIS, ASSIGNOR, BY DIRECT AND MEsNE ASSIGNMENTS, E TWo-rHIRDs TO PETER WEILAND, OF sAME PLACE, AND GEORGE E. AoKERMAN,-oF YoRKvILLE, ILLINOIS.

FANNING DEVICE.

SPECIFICATION forming part of Letters Patent Ne.e1o,eo1, dated September 13, 1898.

Application filed November 29, 1897. Serial No. 660,169. (No model.)

To (0 whom it may concern: said shaft 12 carries a thumb-piece 14, by r Be it known that L-HENRY DE TAMBLE, a means of which it is turned, and also an indio citizen of the United States, residing at Aueating-finger 15, which is adapted to register rora, in the county of Kane and State of Illie with the dial 16 to indicatethe speed of the 5 nois,haveinvented certain new and useful Immotor. When shaft 12 is turned, said strap provements in Fanning Devices; and I do or cord 11 is obviously either wound upon or hereby declare the following to be a full, unwound from the same, thus varying the clear, and exact description of the invention, tension of said spring 10 and increasing or such as will enable others skilled in the art to decreasing the friction orload upon said counto which it appertains to make and use the same. ter-shaft 4, thus altering the speed. It will My invention relates to a novel construcbe obvious that by turning said shaft 12 in tion in a fan-motor and means for regulating the direction indicated by the arrow, Fig. 3, the same, the object being to provide a dethe tension of said spring 10 will be graduvice of this kind which is portable, easily ally released, thus increasing the speed of r 5 manipulated, and which can be regulated to the fan. Rigidly mounted upon said shaft cause the fan to run at any desired speed; 12 is an arm 17, which is adapted to interlock and it consists in the features of construction with the large cog-wheel 18 on said counterand combinations of parts hereinafter fully shaft 4 to prevent its rotation when said shaft described and claimed. 12 is in the position shown in Fig. 3 and go In the accompanying drawings, illustrating which releases said wheel 18 when said shaft my invention, Figure 1 is a sectional view of 12 is rotated in the direction of the arrow prea fan-motor constructed in accordance with viously referred to. myinvention, taken on the line 1 1 of Fig. 2. I claim as my invention- Fig. 2 is a sectional view on the line 2 2 of 1. In a fan-motor, a spring-actuated drive- 25 Fig. 1. Fig. 3 is a fragmentary rear elevashaft, gearing between the latter and acountion showing the dial on the rear wall of the tor-shaft carrying a fan, said gearing includcasing for regulating the speed of the fan. ing intermediary countershafts, and means Referringnow to said drawings, Aindicates for regulating the speed of said fan compristhe casing of the motor, which is mounted ing a strap-brake trained over one of said 0 upon asuitable foot-piece or base B. Within counter-shafts and connected at one end to a said casing and journaled in the walls therereel, an indicating-finger on said reel adaptof are a series of shafts 1, 2, 3, 4, and 5, of ed to register with a dial on said casing, and which shaft 1 is the main or drive shaft and aspring interposed in said strap-brake,whereis actuated bya spiral spring. The counterby by turning said reel the tension of said 5 shafts 2, 3, 4, and 5 are geared to said main spring is varied, thus varying the friction on shaft in clockwork fashion, soas to gear said said counter-shaft and altering the speed of counter-shaft 5, which carries the fan 6, to a said fan, substantially'as described. very high speed. Mounted in the rear wall 2. In a fan-motor, a spring-actuated drive- 7 of said casing A and below said counter: shaft, gearing between the latter and a coun- 40 shaft 5 is a lug 8, to which one end of a strapter-shaft carrying a fan, said gearing includbrake 9 is rigidly secured, which passes over ing intermediary counter-shafts, and means one of said counter-shafts, which in the infor regulating the speed of said fan compris- 9o stance illustrated is the counter-shaft 4, and ing a strap-brake trained overone of said at its other end is secured to one end of a counter-shafts and connected at one end to a v 45 spiral spring 10, which at its other end is sereel, an indicating-finger on said reel adapted cured to a strap or cord 11, secured to a shaft to register with a dial on said casing, a spring 12, journaled in a sleeve-bearing 13 on said interposed between the ends of said straprear wall 7 of said casing. At its outer end. brake, and an armon said reel adapted to interlock with one of said gear-Wheels to lock the same against movement during one position of said reel, whereby by turning said reel in one direction said arm releases said gearwheel and the tension of said spring is relieved/ohms varying the speed of said fan, substantially as described.

In testimony whereof I affix my signature in presence of two Witnesses.

HENRY DE TAMBLE.

Witnesses:

RUDOLPH WM. LoTz, ERWIN J. Low. 

